linux-kernel - Re: [PATCH -next] RDMA/hns: Use GFP_ATOMIC in hns_roce_v2_modify

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Message-ID: <20190304202522.GA14163@ziepe.ca>
Date:   Mon, 4 Mar 2019 16:25:22 -0400
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Yue Haibing <yuehaibing@...wei.com>
Cc:     oulijun@...wei.com, xavier.huwei@...wei.com, dledford@...hat.com,
        linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: Re: [PATCH -next] RDMA/hns: Use GFP_ATOMIC in hns_roce_v2_modify_qp

On Mon, Mar 04, 2019 at 10:56:20AM +0800, Yue Haibing wrote:
> From: YueHaibing <yuehaibing@...wei.com>
> 
> In commit 0425e3e6e0c7, hns_roce_v2_modify_qp called inside
> spinlock which using GFP_KERNEL, it may sleep with holding
> the spinlock, so we should use GFP_ATOMIC instead.
> 
> Fixes: 0425e3e6e0c7 ("RDMA/hns: Support flush cqe for hip08 in kernel space")
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
>  drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied to for-next, thanks

Jason